@article{MABA_1997_11_3-4_a19,
     author = {Kiril Kolikov},
     title = {Principal {Ideals} of {Crossed} {Products}},
     journal = {Mathematica balkanica},
     pages = {383},
     publisher = {mathdoc},
     volume = {11},
     number = {3-4},
     year = {1997},
     url = {http://geodesic.mathdoc.fr/item/MABA_1997_11_3-4_a19/}
}